body {
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
  background-color: #f2f4f7;
}
a {
  text-decoration: none;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 37.5px !important;
  }
}
.wrap {
  background-color: #fff;
}
.header {
  height: 2.133333rem;
  border-bottom: 1px solid #EAEAEA;
  text-align: center;
  line-height: 2.133333rem;
  font-size: 0.933333rem;
  color: #1C1C1C;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  padding: 1.173333rem 0 1.6rem 0;
}
.nav .items {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 33.33333%;
  font-size: 0.666667rem;
  color: #707070;
}
.nav .items img {
  width: 3.706667rem;
  height: 3.706667rem;
}
.nav .items:nth-child(-n + 3) {
  margin-bottom: 1.866667rem;
}
.go {
  padding: 0 0.266667rem 1.146667rem 0.48rem;
}
.content {
  margin-top: 0.266667rem;
  padding: 1.066667rem 0.586667rem;
  background-color: #fff;
}
.content .cont-hd {
  display: flex;
  justify-content: space-between;
  height: 1.013333rem;
  line-height: 1.013333rem;
}
.content .cont-hd h4 {
  margin: 0;
  font-size: 0.746667rem;
  color: #333;
}
.content .cont-hd a {
  font-size: 0.586667rem;
  color: #999;
}
.cont-bd {
  position: relative;
  margin-top: 0.746667rem;
}
.cont-bd .swiper-container {
  width: 14.4rem;
  height: 100%;
}
.cont-bd .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  transform: scale(0.8);
  opacity: 0.4;
}
.cont-bd .swiper-slide a {
  width: 9.013333rem;
  height: 10.026667rem;
}
.cont-bd .swiper-slide a img {
  width: 100%;
}
.cont-bd .swiper-slide span {
  width: 6.8rem;
  height: 0.666667rem;
  margin-top: 0.64rem;
}
.cont-bd .swiper-slide-active,
.cont-bd .swiper-slide-duplicate-active {
  transform: scale(1);
  z-index: 999;
  opacity: 1;
}
.study-bottom {
  padding-bottom: 3.133333rem;
}
.study-bd .swiper-container {
  padding: 1.04rem 0;
}
.study-bd .swiper-slide {
  font-size: 18px;
  background: #fff;
  width: 7.733333rem;
  height: 9.066667rem;
  background-color: #fff;
  border-radius: 0.266667rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.study-bd h5 {
  margin: 0.533333rem 0.266667rem;
  font-size: 0.746667rem;
  color: #707070;
  font-weight: 400;
}
.study-bd p {
  font-size: 0.693333rem;
  color: #9d9d9d;
  padding: 0 0.266667rem;
}
.study-bd p span {
  color: #FF4400;
}
.footer {
  position: fixed;
  display: flex;
  border-top: 1px solid #e2e2e2;
  min-width: 320px;
  max-width: 750px;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  height: 2.986667rem;
  background-color: #fff;
  z-index: 999;
}
.footer .item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.586667rem;
  color: #666666;
}
.footer .item img {
  margin: 0.533333rem 0 0.32rem;
  width: 1.04rem;
  height: 1.093333rem;
}
